ICD-10-CM Diagnosis Code (2025)
Official Description for M13
Other arthritis
Coding Notes & Guidelines for M13
Excludes1: Not Coded Here
- arthrosis (M15-M19)
- osteoarthritis (M15-M19)
Excludes1: Not Coded Here
osteoarthritis (M15-M19)
Inclusion Terms
Allergic arthritis
Child Codes (More Specific Codes for M13):
M13.0 - Polyarthritis, unspecified
M13.1 - Monoarthritis, not elsewhere classified
M13.10 - Monoarthritis, not elsewhere classified, unspecified site
M13.11 - Monoarthritis, not elsewhere classified, shoulder
M13.111 - Monoarthritis, not elsewhere classified, right shoulder
M13.112 - Monoarthritis, not elsewhere classified, left shoulder
M13.119 - Monoarthritis, not elsewhere classified, unspecified shoulder
M13.12 - Monoarthritis, not elsewhere classified, elbow
M13.121 - Monoarthritis, not elsewhere classified, right elbow
M13.122 - Monoarthritis, not elsewhere classified, left elbow
M13.129 - Monoarthritis, not elsewhere classified, unspecified elbow
M13.13 - Monoarthritis, not elsewhere classified, wrist
M13.131 - Monoarthritis, not elsewhere classified, right wrist
M13.132 - Monoarthritis, not elsewhere classified, left wrist
M13.139 - Monoarthritis, not elsewhere classified, unspecified wrist
M13.14 - Monoarthritis, not elsewhere classified, hand
M13.141 - Monoarthritis, not elsewhere classified, right hand
M13.142 - Monoarthritis, not elsewhere classified, left hand
M13.149 - Monoarthritis, not elsewhere classified, unspecified hand
M13.15 - Monoarthritis, not elsewhere classified, hip
M13.151 - Monoarthritis, not elsewhere classified, right hip
M13.152 - Monoarthritis, not elsewhere classified, left hip
M13.159 - Monoarthritis, not elsewhere classified, unspecified hip
M13.16 - Monoarthritis, not elsewhere classified, knee
M13.161 - Monoarthritis, not elsewhere classified, right knee
M13.162 - Monoarthritis, not elsewhere classified, left knee
M13.169 - Monoarthritis, not elsewhere classified, unspecified knee
M13.17 - Monoarthritis, not elsewhere classified, ankle and foot
M13.171 - Monoarthritis, not elsewhere classified, right ankle and foot
M13.172 - Monoarthritis, not elsewhere classified, left ankle and foot
M13.179 - Monoarthritis, not elsewhere classified, unspecified ankle and foot
M13.8 - Other specified arthritis
M13.80 - Other specified arthritis, unspecified site
M13.81 - Other specified arthritis, shoulder
M13.811 - Other specified arthritis, right shoulder
M13.812 - Other specified arthritis, left shoulder
M13.819 - Other specified arthritis, unspecified shoulder
M13.82 - Other specified arthritis, elbow
M13.821 - Other specified arthritis, right elbow
M13.822 - Other specified arthritis, left elbow
M13.829 - Other specified arthritis, unspecified elbow
M13.83 - Other specified arthritis, wrist
M13.831 - Other specified arthritis, right wrist
M13.832 - Other specified arthritis, left wrist
M13.839 - Other specified arthritis, unspecified wrist
M13.84 - Other specified arthritis, hand
M13.841 - Other specified arthritis, right hand
M13.842 - Other specified arthritis, left hand
M13.849 - Other specified arthritis, unspecified hand
M13.85 - Other specified arthritis, hip
M13.851 - Other specified arthritis, right hip
M13.852 - Other specified arthritis, left hip
M13.859 - Other specified arthritis, unspecified hip
M13.86 - Other specified arthritis, knee
M13.861 - Other specified arthritis, right knee
M13.862 - Other specified arthritis, left knee
M13.869 - Other specified arthritis, unspecified knee
M13.87 - Other specified arthritis, ankle and foot
M13.871 - Other specified arthritis, right ankle and foot
M13.872 - Other specified arthritis, left ankle and foot
M13.879 - Other specified arthritis, unspecified ankle and foot
M13.88 - Other specified arthritis, other site
M13.89 - Other specified arthritis, multiple sites
About ICD-10-CM Code M13 (Other arthritis)
ICD-10-CM code M13 is a billable or specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes. The 2025 edition of ICD-10-CM M13 became effective on October 1, 2024.
This page provides detailed information about M13 - Other arthritis. It includes common terminology, coding guidelines such as "Includes," "Excludes1," and "Excludes2" notes, and information on required 7th characters. Utilizing this information correctly is essential for accurate medical coding and claims submission for conditions like Other arthritis.